Added clientlist cmd on cgame for showing proper client status command with correct client ids.
Keycatcher improvements & security fix from ioq3
Fixed reliable command overflows on disconnect commands (ioq3)
Fixed cls.keyCatchers check that was remaining in win32 code
Fixed/Added +/-button15
Some FS fixes for rest of this update.  Added GPL md4 (crc) from ioq3.  Massive download system fixes on client side.  (ioq3)